This title shall not affect any interests or rights in real property which are not environmental easements, and shall not affect the rights of owners to convey any interests in real property which they could now create under existing law without reference to the terms of this title. Nothing in this title shall diminish the powers granted by any other law to acquire interests or rights in real property by purchase, gift, eminent domain, or otherwise and to use the same for public purposes.
New York Legal Code